Machine for shaping uppers over lasts



April 2, 1935. H. E. ELLIOTT ET AL MACHINE FOR SHAPING UPPERS OVERLASTS' Filed May 1, 1954 2 Sheets-Sheet 1 April 2, 1935.

H. E. ELLIOTT El AL MACHINE FOR SHAPING UPPERS OVER LASTS Filed May 1,1934 2 Sheets-Sheet 2 f w w m H v x L m l v 8 H F d m M Q N nub ummm mif 4 W T No W Patented Apr. '2, 1935 porationfo New'lerseyj IApplication:

This --invention relates to machines fof use in the manufacture ofshoes-for shaping-tippers over lasts'; and-is herein illustrated asapplied' to a f machine for pulling over theuppers of'stitchdown 'ilshoespthe 'machine shownbeingone of the salnea'lVIay :1 1934; Serial" aIn Great Britain" general type' 'as di'solosed in Letters "Patent No;1,813,983L'granted-on July 14," 19'31 upon;an;ap

plie'ation'of ArthurBaEtesb It is' to beiunderstood,

however; that "in various aspeets the invention is not limited tomaehin'es' of the illustrated type nor to machines=foroperating-on-"sho'es* of that particular character;

A-mach-ine"organized as dis mentioned Letters Patent'is Yp'rfovidedwith'a pair of side grippers forpuliing theupper-transversely per forsubjecting the upper to-long'itudina-l tension. A'n 'obj ect of the"present invention," among others," is to provide improved upper pulli-nga column 12," the casting l0 'being substantiallyf -means suchas toafiord 'incr'eased insurance that the upper }will be' satisfaetorilj'tensioned i-longitudinall-y under all conditidnstr and fto? this end themachinehereinshown'-has novel-means whereby the toe gripper is operated'topull the, upperindependently' of the' 'side grippers; As"-illustratedi the'jpullingmovementof the toe grip per I required" 'to'stretch and shape the upper properly is effected by a spring-to "theaction of which the toe-gripper is releasedi-the side *grip -pers beingoperated by other means to'f which movement is imparted-througha clutch;The

construction shown is further-such that the toe gripperis released-tothe a ctioh of its"springf1: y a member which thr'ough iurther movementserves toactuate-the clutch and thereby to start in operation-the meansthat' operates the side :grippersj Accordingly, the upper is firstpulled tightly aboutthe heel end of the last' and'is sub lol: n 9) vshownin section; and osed inthe aboveing difierentfpaths of movement ofthe toel g'ri I H .per under different conditions of adjustment overtlie forepait of the last and -with aitoe grip-i Nopvzaez s gust3051-1933 reference to the accompanying pointed-'outin the claims.

mthecirawings, a Fig. 1 is a view in right-hand side elevation *ofadrawingsand;

machine in whi'oh th'e invention is emb'OdiedQthe side g 'rippers-andcertain-other portions of the structure'being broken away; 2 is a. viewon a-larger scale showing the side grippers and other parts associatedtherewith infrear *ele'vationand illustrating how the-I 19 grippers pullan upper over a last parts F1gs .-s}an4 are diagrammatic views.ilhistratf In general similarity to the disclosure .of lt "abovementionjed Letters Patent, "the? machineff herein 'shown' has a headcasting l U mounted on U -shaped having vertically upstanding por{Supported onthecrossbar l6 is a'sleelve" l flf'hav j jing ears EBFCFig.2) projecting from-its",opposite j the upper is pulled. issupportedjbottomhown j ward, 'as' more particularly hereinafterdescribed 1 on a worl; support 'memberi zd which unlilze jthconstruction shown in theipreviouslv mentioned Letters Patent, ismounted'in a. fixed position on;

I thejhead casting lil'andis stationary throughout sides,i-and-pivotallymounted at Zlgon theseearsf are members-22 having upper andlower'po'rtionsg 'bored to 'serveas'guides fora'pair of side grippersarranged to "grip and pull the upper atrthe oppo' site'sidesof ,thefore'part, The las'tpover which 1,;

the-l operation of the machine. The side grippers, i 35 as shown in Fig.2; have innerjaws'ifi' mounted rigidly on the upperends of hollowshanlsmem-Q ber s"28"whichare arranged to slide downwardly if jected to'thefdesired long-i'tlidinal tension by the it widthwise and pull ittightly over the for'epart of the-"last. ln aceordanc'e with afuitherfeature toe gripper,- after which the' side grippers'stretch of the"invention, the machine herein shown is V providediadditionally with'means for varying the 45 pathsof movement: of thetoeygripper soythat ina component of rmovernent either' forwardly or rearwardlylengthwise oft'he last to' adaptit better for operationion' different kinds bt work,as

including 'means: whereby the itoe 4 gripper may be further controlledbythebperatornand v'arious 5.3 parts -.:will now 'be'more.:particularlydeseribed by a and upwardlyin the guidei'portions of the mem-% 4 4. 1

tions lengthwise of'the shoe alongithe' cross-bar l5 by a hand screw 36(Fig. 1) and mayalsqbej i screw 38" (Fig. 2)' in the samefmanrier as inr the" prior ma'chine. The side' grippers' are' operatedif novel detailsof construction andicombinationsof bers22; and have alsofouter jaws 30pivoted to' I the jaws 26' and connecte'd by links32 to stems 3 421slidingly mounted in the hollowshank member 1 I I 23 for imparting uppergripping and releasing] movements to thejaws 3B. Springs 35 connected attheir lower ends tothe shank members 2 8'and. its "movementaheightwise'of the last-"it may em at their upperends of the guide'membe'rs' 22hold the grippers initiallyTin their uppermost posi tions. The sidegrippers may beiadjusted in direce adjusted toward or from 1 each'otherffby a hand to grip and 'pullthe upper thro ughlinks -ownmn a p,connect-.tl1e-lowerjends er the stems'3ltoafsub- 5? between itsoppositeends on a bar 44. This bar is fast on the head 46 of a cylindrical stem48 which is guidedfor vertical movements in a bore v 42 is. mounted toturn in a vertical plane on the bar 44' to enable'the operator to movethe side" grippers relatively to each other while they are holding theupper under tension; as in the prior machine. 1

I The toe gripper of the machine -herein sl' o'wn; also comprises aninner jaw 26 and an outer jaw. '38 pivoted to the inner..-jaw and1controlled by- :links :32, the links in this. instance being con-- Vnected to acentral stem 50"which isconnectedat; v.its lower end to aspring-operatedlever 52 :where bythe jaw 88 is operated to, griptheupperand the gripper is moved downwardly toj pull the] .upper, asmore particularly hereinafter described. The jaw 26 is fast on ashankmember 54 which is- -controlled by a swinging link 56 pivotally con-.aio

in the head casting I II andis operatedashereinafter described. It willbe understood'thatwhen V the head 461s carried downwardly the grippei"jaws 38 are first closed upon the'upper by downward movements of thestems-34, after which both pairs of. jaws are moved downwardly with theshank members .28jagainstfthe resistance of the springs to pull theupper. In' these movements of the side grippers they may turn in .theirguides I 22; such turning movements, being-limited by engagement ofstuds 49 in the guides with flat faces.

(not shown) on the shank membersv 28. The lever nected at one end to theshank member: and ad- I :of the jaws maybe varied,. as illustrated ,dia-

grammatically in Figs. 3 and '4. If the outer end justable :atSits otherend along-an arcuate slot; 58 formedin'abracketiill fast on thecross-bar I6. Springs 62, oneonly of whichisfshown, are connected to theshank member 54 and'yield toperl mit this member toibe carrieddownwardly with the jaws to pull the upper bytlieoperation ofthe 'lever'.52 after the gripping of the upper by the initial' downward movement ofthe stem 58 .rela-t I tively to the shank'meniber. 7 It will beunderstood that when the gripper is operated to pull the upper thepathof .movement of its. jawsis determined by the swinging link 56, and byadjustment of the outer end of this link along theslot 58 the path .01the link is set at the upper end, of the slot 58,

so that the link initially is substantially'horiZon V tal, as,jillustratedin Figs. 1 and '3, the gripper:

jaws will.move,1in-pullin'g the upper, from the point a: tothje pointy'along a path indicatedby the brokenline in Fig. 3,'so that the jaws asthey imovedownwardly'have a component of movement lengthwise of the lastin'a forward direction with respect to thelast; or toward the-rear ofthe machineJffI 'his is the setting preferably? used, for example, whenthe uppers'are comparatively flex ible or stretchy and areso'icut that.they are not unduly short or scant? If, on the other hand;

theouter end of the link is set at thelower end of l the slot 58,thejaws will move from the point a:

to the point z (Fig. 4) with a component of mo;ve--

mentlengthwise of theriast in theiopposite direction,li. 'e'.',' towardthe frontofthe machine.

This often produces better .results'in the shaping of thetoe ends of theuppers when they areicom- What scant.

to the arm 88.

parativelystifiand, it maybe, also are cut some- 'l'he jlever 52, whichoperates the toe gripper is fast on arod 64 which isniounted to turn ina bearing the bracket-60. The lever is operated by aI'spring 66i 0nnected at itslowere'nd to the f lever and at its upper end to ahook 68.slid-r.

' stantially horizontal lever 42. mounted midway 'ingly' mounted a lug18 on the bracket lifl.

Threaded on theshank of the hook 68 is a wing 16- on-a armof the,head'casting I0 and conthereof a plate "I8arranged toengage a shoulder,88 formedjonf a*1atc h]82 which is pivoted at 84' "On the lever 52. Byengagement of the plate 18 with-the. shoulder 88 the lever 52'isaccordingly For this purpose Fhe'ld mas-111mm position.- For releasingthe lever 52 and thereby lrendering the spring 66'feifective, q to closeandoperate the toe gripper, there is pro I V-vided means for-liftingthe'latch 82 to disconnect .;it from; the; plate I8.This-.meansjcomptises a pawl .88 pivotaliy suspended at its 'upperendonan i arm 88. which is mounted to .turn onjthe rod -64,

the pawl engagi inla' notch therein, the lower face of a lug 98 on,thelatch-M. v Itwill be under-v stood that, the flatchlis lifted ,torelease the lever r I ;52 by upward movement ofthe arm88 and the,

pawl 86. Such upwardmovement ofthe arm and" {the pawl iseifectedbydepression of atreadle il i f fwhich is pivoted-at 94 onlthe base of thecolu n'x au I2' and is connected at its rear end by arod' 96 treadle 92returns it tots initial is relea sed by the operator.

t For operating the-bell-crank lever to return the lever 52 toiits.initial positionand thereby I "to raise the toe gripper andopenits jaws,and for also operating the sidegrippers to'pull the upper,. the machine:is provided with power-driven "means. Thismeanscomprisesa power shaftI80" A spring-88 connected to-the; ,7

position when it whieh may: be driven, .for example, from, a beltpulley: I82; and a clutcl'i llllv arranged to be actu--- I ated toconnect the shaft {88110 a g r wheel I86 Thecons truction of theclutchisnot shownin detailfisince any suitable], one-revolution clutch, such asoneof thelHorton type, may be utilized. a

The gearfwhe'el I86 is in mesh} with another gear. wheel] 88 fast on ashaft II Ii, this gear wheel hav-q in'g twice as'many teeth as the gearwheelIiI6 so thatthe shaft'llli turned throughfhali a revolution by eachrevolution of the' gear wheel I06'.- Fast on the shaft l Iliis aneccentric i I2 having t er e an- I I. w i h vo e lr .connected atitsupperend to a. floating lever" II 5* substantially: midway betweenthe opposite ends of the lever. 1 The lever-H6 isfconnect'ed at itsfrontendby a'link III! to thejlowerenduof y a the stem 48. throughwhichthe side'grippers arey Y operated; and at its. rear endthelever ispivotallyconnected to the rearendbf a 1ink5I20the front;

end :of which is pivoted at I22 onthe columnv I2. 1:- At its, rearendthe floating lever, I-IFfurther I26 projecting downwardly" from a memberI 28 pivotally suspended on the rear end 1 of I the lever,

1 controlled by-fi spring;I24 which-surrounds a rod 7 I28 and atitslower end ;on a member I30 sup ported on the rear end of a lever I32'which'jis' pivotedon thecolunm12. The member I-38,i through which therod' I26 extends, is threadedin 'a-col1ar I33 which is.pivotallymoun'ted on the:

i v The lever I32 is arranged to be held adjustably in a fixed posi- Vforked endofthe lever I3'2.

tion by a' pawl member I34'pivotally mounted on the lever, and havingthereon a plurality'ofteeth i I the spring bearing at its'upper end onthemember reeegros I3fiznnerorfianotherrof :which isl'arranged' tobeiengaged by apixr; k381onbthe column;l2. It fwillathus be evident thatby :a'djustment off the: lever .I32 the initial "compression ;or the.spring-J2 4 a maybe varied. a When the 'fioating lever' H6: isxmoveddownwardly by the turning" of the eccentric I I I2, downward movementiszimpartedzzthereby'rto;the stem-=48 through which the side grippersare noperated to:grip and to:pu1l thezupper in the manner hereinbeforedescribed. When the resistance of the upper to the pull of the grippersbecomes greatenough, therear end of the'floating lever H6 is ;carrieddownwardly against the resistance Ofthespring I24 so that theupper issub'jectedto a yielding pull :thejforce of kwhich'may be-variedbyadjust-ment ofwthe compress-ion ofwthe spring as :a-bove described."It will be understood ,fthat by: turningthe member -I against --whichthe J lower end of the spring I241 abuts aifineradjustment of thecompression ofsthespring-maybe effected than is-provided-for by theteeth I 36- and thetpin-I38. V

The vbellcrank lever? which controls the :toe gripper lever 52 is itselfI controlledby the floating lever. I I6 through avlink I4II connected atitsupper end to a downwardly and .rearwardly 4 extending armoftthe'bell-crank lever and at its lower end to thefloating-leverl I6subst antially midway between the opposite ends of this lever-andimmediately above the connection" of v the leverto the-eccentric strap-I-I4. When the floating lever II 6 is moved downwardly to I operate theside grippers in themanner above described; it acv plateJB rbeyondetheshoulder 80 on the latch 82. 7 When the 1 lever I I 6 isthereafterimovedlupwardly to return" the s-ide'grippers totheir startingpositions, the upwardly extendingarm'of the bellcrank lever 14 is swungtothe left andacts through ithe latch 32 toswing the lever'52against theresistance- 0f the spring '66 andthus to return the toe gripper'toitsstarting position and to. open thegripper'jaws. a. m m

i (ThecIutch I04 is actuated to stop the gear wheel- I-IIBi-atthe end ofeach complete revolution armed. leverrlg42 onearm of which is arrangedto engage a shoulder on'a clutch ring 144 .The' clutch isactuated tostart the .power operation of the Imachine by swinging the lever I42ina, clockwise-direction so as to release, theclutch;

ring Ii44,iandwfor this purpose there is provided angupwardly extendingrod I46 having thereon a plate 'I48.arrangedto engage a plate "I50 "onone arm of "the lever I42. At its lower end the rodI4B is connected tothe'rear arm of aiever, I52 mounted on the same pivot'94' as thetr'eadlet'oe gifipper 'lever52' has been released to the action of its spring'66. For this purpose a pro jection-I 58- on the treadle 92 extends intoa -slot. ISO in the forward end of the lever I52,' -thi's slotpermitting 'sufiicient depression'of the treadle "to release the toegripper lever-52 before the treadle becomeseffectiveto trip theclutchthrough its movementofthe lever I52. To-insure the return of th'elever'l42' intoposition to stop'the power operation of *the' machine 'atthe end of a single revolutionbf' the gear wh'eel I-llfi *regardless ofhow v ith ez operator's controls the treadlea 92,3 the machine isprovided. with automatic'imeanssfor releasin'gthe'leverfrom-theirodilflii. *lThis-means comprises an-pain of :pinsnk I62:onthe'send offiltlie.

on 'aiislide bar I65; and thus to move athwbarnn :a forward' direction.In this-movement thehar-dfl toidiscon-necta the plate l48icfromthesplate ="IE5III and-thuspto release-the lever' ;I-42-.a fl hemod MG,isithereafter swungirearwardlyiagain byi airspringrod; andisalsdconnected to'ionerarm oftthe ,threeei armedv leverli42' to controlthe lattern llft-wiilebe' I again carried iunder' thei plate I 50 atorreleases the treadle."

'LThe :machine is runner lprovide'df which may be1=utilized to'.-control the; toe gripp manually. 'This meanslcomprises ahahda-levenI'III positioned at; the .ilefthandiside,ofatherimachiner withinvc'onven-ient reach 'ofizthe "ljperator and fast onithe rod 64towhichvvthe 'toe: gripper By lifting this hand leverthe'operatormayzreey lax the 'i'fOYCGT. of: the pull of the. toegripper. :on

starting positionwhere it is'againtheldfbyithe bell-crank 1ever 14incase;:.-for" example,it did not 'grip and pulltthe upper properly-whenlfi'l'stg,

released to the :action 0f? the spring "665- ,j'BXzdQ- pres'singthelever I0,- on the'other hand tlie op-' erator may increase the-force-ofrthe-pulltof the toe 'gripper on the upper ,either-before-or aftertheupper has been pulled byitheside grippers. The previously mentionedLwork support member 24 has. mounted thereon alforepart rest mem- .berI12 which is vertically adjustable by a1nutI' 'I4 threaded ,on a stemdepending from thefm em-g her 112, and alsola .heel restmember I16adjustable, along a forward extension Q I18 off the ember 24 and held inadjusted position by crew '80. I m I In the operation'of the machine; alastwn which an upper is assembled" isplaced bottom:

downward on the members I12 and-"I 16 and the the-upper; or may returnithe"-grippergzto'zits.

margin of the upper is inserted between the" open toe, and sidegripperjawsfi The operator then depresses the treadle 92 far enough tolift the'latch 82 and thus to 'release the toe g'ripper lever 52 fromthe belhc'rank lever 14*, whereupon the spring 56 swingsthe lever 52 toclose the toe gripper jaws on the upper and toioperatethe gripper topull the'upper tightly about the 3 heel end of the last ahdto subject itto longitudinal tension while its side margins are'fr'eeof"the"-fside'%grip- I pers. Before further depressing the tree-die"!!!the operator may, if desired; observe-the cbirdi tion of" the upper andbyjm'anipulation'of 1-wehand lever I'IO may either increase or diminishthe force of the pull'of the,tOe gripperprsmay' again releasetheflever'r52 to the :actio'nof -the spring 66 by a' second partial-depression of :the:

tre'adley 1Aftertheupperthasi-been pulledxprope erly by the toegripper,ithe.ope1'ato1f':furtheri:de{

presses the treadletov-tripthelclutchiand start the power operation, ofthemachine, whereupomthel side grippers alone are 1 operatd'torigripvand pull the upper, thus tensioningitthedipper: later I 4;

ally and: conforming its further: tortheicontdur' of the forepart I ofthe :last. Whether the" operae;

tor'has or: has. not released the'treadlefl, the machine-comesautomatically toa stop withlthe side grippers holding. the upper, undertension.

'At this pointin the cycle the'operator may eith- 1 er increase or'i'elap the force of the pull'ot the .-toe. gripper on the upper bymanipulation of the handiljever l10, and may adjust .theupper lat-crally by useofithe lever 42 which controls the 1 I side grippers. 1While the machine is'thus atrest its conformed' condition bydrivingtacks where.

jdesired'orby the use of anysuitable clamping the operator securestheupper temporarily in means, and -.thereafter. again; depresses 'the itreadle92 tottrip the clutch. It will he'funder 15.

stoodi that x in 5 this "second "depression of the treadl'e the: pawl 86is'lifted without eflect upon "thetoe gripper, the b ell+crank lever 14having 'mereIyhee'n-s'wung into positionto connect again "with? thelatchBZ .inthe first half. of the-cycle of the machinelj In this second halfof the cycle thertoe and side grippers are return'ed auto maticallytoithein-starting positions and release the upper, the .bellgrank lever14 returning'the toe, gripper lever 52 against the resistance of thespringfiii." -5

1 Havingdescribed the invention, what we claim as new 'anddesire tosecure by Letters Patent of theUnitedfStatesis: V

. upper first through the toe gripper alone to subject itto'substantially the full longitudinal ten 3. In a machine for shapmguppers over lasts,

1. In a machine Iorshaping uppers over lasts, a toe gripper, sidegrippers, means for. pulling an sion red uiredto shape it over1'a last,-and automaticv means for thereafter pulling the upper through the sidegrippers alone vhileit is held under tensionhy the toe gripper. V V

' I2. In a m' achine for shaping uppers over lasts."

a toe gripper, side grippers, means for pulling an 6. upper firstthrough the toe gripper alo ne to subject it to substantially the fulllongitudinal' tension required to shape it over 'alast, andpowerdrivenmeans including a clutcharranged to be actuated topulltheupper thereafter through the side grippers alone; 1

a toe gripper, side grippers, means for pulling an upper first throughthe toe gripper alone to sub ject it to substantially the fulllongitudinal tension reouired to shape it overalast-before it is grippedby the side grippers, and automatic-meansv for. thereafter operating theside grippers alone to grip and to pull the-upper while it is heldgrippersalone to pull the upper while it is held a toe gripper and sidegrippers movable to pull an upper over a; lastat the end of the toe andthe sides of vthe Vforepart respectively, cyclic, power-driven means foroperating the side grippers to pull the upper, and mechanism foroperating the toe gripper to pull the upper. indeQ I vpendentlyof saidcyclic means.- V

6. In a machinei'or shapinguppers overlasts,

a toe gripper and side grippers movable to pull 7 an upper over-a lastat the end of the toe and v the sides of the'forepart respectively,cyclic means including a clutch for operating the side grippers to pullthe upper, and means for imparting to the toe gripper its entireupper-pulling inove v ment' independentlylof said clutch.

I "71111" a machine for shaping uppers 'over lasts;

a toe gripper and side 'grippersmovable to pull "an upper. over a lastat the end of-the toe aridithe sides of the forepart"respectivelyfcyclic means including a clutch for operating the side grippers alone to-.-pull the upper, anda for, op- V erating thetoegripp'er'to pullthe upper. a 1

i 8. In amachineforshaping upperszover lasts, a toe gripper and sidegrippers movable to pull an upperover a" last at rthe' end 'of'the toeand the sides of the f orepart: respectively, cyclic'f'mea ns includinga'clutch for operating the side grippers,

alone to pull the upper, a spring "for operati'ng the toe gripper topullthe upper; and r'nan'sfor holding: the toezgripper initially in startingp'osi-v r tion against the resistance of. said spring and for releasingit {to the action of the spring; f-

. 9., In a machine for shaping uppers over. lasts;

l 0 a toe gripper, side grippers,- a spring arranged to operate said toegripper to pull an 'upperi over'a' quired for the upper-shapingoperation; 1 means for releasing the toe g'ripperto the action o'ffsaidlast and of sufficient strengthto subject'the upper :to substantiallythe full longitudinal tensionf respring'to cause itt'o pull theupper andmeans for r V thereafter operating the side grippers-to pull jthe upper.I

10. 'In a machine for shaping uppers over' lasts atoe'g'rippen'sidegrippers, a spring arranged to operate said toe gripper-to pull an upperover a last and of sufficientstrength'to' subject ,theiipper'tosubstantially thefiull longitudinal- }tension required {or theuppershapingio'peratioii,;nieans for-releasingthe toegrippento-theaction of said spring to causeitto'pu ll theup'per, andpower erate the side 1 grippersalone "to "pull the upper and tocomeautomati cally' to a s'toplwith'the up perheldunder tension. j 111In a'machine'io'r- 'shaping in'g said toe gripper'to pull an'upper overa last, means for ,releasingsaid spring tofrender it 'opmeans includinga clutch arrange'dto be actuated thereafter to cause the side grippersaloneto pull the upper.

a toe gripper, side grippers, ais'pring arranged sion required for theupper-shaping goperation, means for maintaining said spring under anfin-12. In'a machine for 'sliapinguppers overfiiasta' driven meansconstructed andrarranged tofl opt,

40 V uppers -overla'sts, a toe gripper, side grippers, a spring toroperat erative on the toe gripper, and power-driven to operate said toe,gr pper to pull anupper over -a last and of sufiicient strength tosubjectjthe upper ,to substantially the full longitudinal tenitialstress and for releasing'it'to render it opera -f tive toimparttheupper-pulling movement to the toe, gripper, andadditional'means for o'r' erat-fw ing the side gripperstto pull'theupper. '13. In a machine for. shaping uppers over lasts;

a toe gripper; side'grippers, aspring foroperatin'g said toe grippertopullcan' upper over, a: last,

means forreleasin'g the toe gripperto thelaction of said spring to causeit to pull the upper, and

power-driven means for operating thesideg rip pers alone to pullthetupper; and for returning themto their 1 starting positions and iforalso re turning the toe gripperauton aticallytoits starting positionagainst the resistance ofsaid spring.--

14.. In a machine for shaping uppersfover lasts, a toe gripper, sidegrippers, a spring for operating 'said toe gripper to pull an upper overalast, means for releasing the toe, g ipper'to theaction oilsaid E se zii si 15. In a mac driven means foroperating the side grippers to pullthe upper and forreturningthem to their starting positions, a: deviceconnected to said power-driven means for maintaining the'toe gripperinitially its starting position and for returning it to that positionagainst the resistance of said spring after operating on the upper, andmeans for disconnecting the-toe gripper from said device to cause thespring toimpart to said gripper its upper-pulling movement. I

16. In a machine for shaping uppers over lasts, atoe gripper, sidegrippers, a lever movable to operate said toe gripperto pull an upperover a last, a spring for imparting to said lever'its operativemovement, power-driven means for operating the side grippers to pull theupper and for returning them to their starting positions, a deviceoperated by said power-driven means for returning the toe gripper to itsstarting position against the resistance of said spring and formaintaining it in that position, and a latch on said toe gripper leverarranged to be engaged by said device to control the toe gripper, saidlatch being movable to release the toev gripper to the action of itsspring. 7

17. In a machine for shaping uppers over lasts, a toe gripper, sidegrippers, a lever movable to operate said toe gripper to pull an upperover a' last,.a spring for imparting to said lever its operativemovement, power-driven mechanism including a lever for operating theside grippers to pull 'the upper and for returning them to theirstarting positions, a swinging arm connected to said last-named lever,and a latch on the toe gripper lever arranged to be engaged by saidswinging arm to return the toe gripper to its starting position againstthe resistance of its spring, said latch being movable to release thetoe gripper to the action of its spring. 7 Y

18. In a machine for shaping uppers over'lasts, a-toe grippe'nsidegrippers, a spring foroperating said toe gripper to pull an upper over alast, power-driven means for operating'the side grippers I said toegripper to pull an upper over a last, a latch 'f or holding the toegripper'initially in its'startin'g position against the resistance ofsaid spring,

power-driven means including a clutch for operating the side grippers topull theupper, and a member movable to operate saidlatch to release thetoe gripper to the action of its spring and further movable to actuatesaid clutch and thereby start said power-driven means inoperation.

20. In a machine for shaping uppers over vlasts, a toe gripper, sidegrippers, means for moving said toe gripper heightwise of a lastindependently ofthe side grippers to pull an upper over the last, andmeans for imparting tosaid' toe gripper in its movement heightwise ofthe he at shahin uppersiover lasts,;.- at esriv errside r ppers, :asp nfor operatin -i said tiles npenton ll arzupner ov a t, p w

al t agradius ab rr ria-b ei limovemer t-;.lenst .7 3 azmachin or shapnauppers ov rlasts,H a to l, .ripr .:.y ee ipp m an -;f0r-:m0ri s-- sad; 1 ipp h i h w s of;- 4115 eiudependr t yfeiwt lside gripp rs t pu l a,upp rspv herlast,landel i ina m ans a rane ditoim par .Ofie d: oe;s i pr .itscmoveme t he htw s of; he: l t. a: ovem t :a1so-;: ensthwisee ofth last said guiding; means b i ,aadj ustab 9} cause the toe gripper'tomove either forwardly or rearwardly lengthwise of the last.

22. In a machine forv shaping uppers over lasts,

a toe gripper, ,side grippers, means'for movingsaid toe gripperheightwise of alast independently of the side grippers to pull an upperover j a the last, and a swinginglink connected to said toe gripper forguiding it and for imparting to it in its movementheightwise of the lasta movement also lengthwise ofthe last,- saidlink beingadjustabletoidifierent positions to cause thetoe gripper to move eitherforwardly or rear-'- wardly lengthwise of the last;

a' toe gripper, side grippers, a; spring arranged to operate said toegripper to: pull an upper. over,

'a last and of sufiicient strengthto subject the upper to substantiallythe -ful1,-longitudi.naltension required for the upper-shapingoperation, means for rendering said spring effectiveto impart theupper-pulling movement to the toe gripper before the side grippers pullthe upper,

resistance of said spring prior tothe pulling of the upper by the sidegrippers. a

2a. In a machine for shaping uppers over lasts, a toe gripper, sidegrippers, a spring for operatingsaid toe gripper to pull an upper over alast,

starting position against the resistance !of said spring prior to theactuation of said clutch. I

25. In a machine for shaping uppers, over lasts;

a toe gripper, side grippers, a spring for operat- 1 ing said toegripper to pull an upper over a last, a latch'arranged to hold the toegripper initially in itsstarting position and movabletorelease it to theaction of said spring to cause it to pull the upper, power-driven meansincluding 'a, clutch arranged to be actuated thereafter to' cause theside grippers alone to pull theupper, I

and means to enable the operator to move the toe'gripperreversely intoposition to be held, by said latch prior to theactuation of said clutch.

26. In a machine for shaping uppers over lasts a toe gripper, sidegrippers, a spring for operating said toe gripper to pull an upperoveralast,

means for releasing the toe gripper to the, action of said springto'cause it to' pull the upper,

power-driven means including, "a clutch for thereafter operating theside grippers alone to pull the upper, and means to enable the .operatooperate said toegripper to pull an upper over. I

a last e e tly of the side grippers ,andiof t sufiicient strength tosubject the upper to sub 6,- V r 1,990,103 7 t x stantially the fullflongitudinal tension-required a. lastfa rspringfor bperatinisalid'flever to imfor the upper-shaping operatibn, mean; for repart}toi'the toe gripper its upper-pi'll lm'gmoveleasing the, toe gripper tothe auction of said spring ment' independentlylof the sidegrippers;means 'to'cause it to pull the upper, and means to en- {qrreleasing sa id lever t'o the, fiction- 01 {the 5 able theoper'atortojmove the. ;tbe gripperin a ;spring, and anoth' 'epleverconnected tq said-tee 5 'e 7 direction to alter the force 61' its pull'on the M gripperlevel jand mpvfibl'e' byithe bpetatozj to upper afterit has-been operated by sai-spfing. ,alter the forceaof'the pu llappliede to the; 1 1pper V V 28. In a, machine for shaping uppers b'Verlasts by the' toe gripperg' I v a toe gripper,;side grippers,a'lever'movablezto I HAROLDERNEST EILIOTI;

"moperate sg id toe gripper to pull an upper over FRANK; COLEMAN CHOICE;

